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Question

A lens having two spherical surface bulging outward is called.

A
concave lens
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B
convex lens
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C
plano-convex lens
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D
plano-concave lens
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Solution

The correct option is B convex lens

A lens having both the spherical surfaces bulging outwards is called a convex lens and a lens having both the spherical surfaces curved inwards is called a concave lens. A convex lens is also known as a converging lens.i.e it converges rays of light that are traveling parallel to its principal axis.

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